Oxidation Products of Phenolic Thiocolchicines: Ring a Quinones and Dienones
- 1 May 1998
- journal article
- research article
- Published by Taylor & Francis in Synthetic Communications
- Vol. 28 (9) , 1585-1591
- https://doi.org/10.1080/00397919808006862
Abstract
An improved, highly selective demethylation of thiocolchicine (1) to the diphenol 5 is described. Oxidation of 2 to para-quinone 6 and of 4 and 5 to ortho-quinones 8 and 10 is first reported. Also, 2-demethylthiocolchicine (3) was oxidized to the quinone methide 7.Keywords
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